ELISSA EHRLICH KAPLAN M.D.
NPI 1922083542
Internal Medicine - Gastroenterology in Newton, MA

Q: What is Elissa Kaplan's NPI number?

The NPI number for Elissa Kaplan is 1922083542. It was assigned to this individual provider in the NPPES registry on December 7, 2005.

Q: What is Elissa Kaplan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Elissa Kaplan was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 07, 2005PECOS EnrolledAccepts Medicare Assignment

2000 WASHINGTON ST, SUITE 368, NEWTON, MA 02462(617) 969-1227(617) 969-2676 Get Directions Write a Review

NPPES record last updated: October 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Elissa Ehrlich Kaplan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELISSA EHRLICH KAPLAN M.D. (NPI 1922083542) is an individual gastroenterology provider in Newton, Massachusetts, licensed in Massachusetts (214021) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Wayne State University School Of Medicine (1999).

NPPES Registry Identity

NPI1922083542

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameELISSA EHRLICH KAPLANCredential: M.D.

Location Address2000 WASHINGTON ST, SUITE 368Newton, MA 02462-1650

Mailing Address2000 Washington St Ste 368Newton, MA 02462-1627 · (617) 969-1227 · Fax (617) 969-2676

Phone(617) 969-1227

Fax(617) 969-2676

Sole ProprietorNo

Medical School CMSWayne State University School Of MedicineGraduated 1999

Enumeration DateDecember 7, 2005

Last NPPES UpdateOctober 29, 2025

NPPES CertifiedOctober 29, 2025

✔ NPI 1922083542 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MA · 214021

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

2000 WASHINGTON ST, Newton, MA 02462

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Other Identifiers 1

Medicaid2109131MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elissa Ehrlich Kaplan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305892605

PECOS Enrollment IDI20050330000346

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Elissa Kaplan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gastroenterology Healthcare Associates PC

Same address

Gastroenterology

2000 WASHINGTON STREET, SUITE 368
Newton, MA 02462

Reassigned Medicare billing, Massachusetts enrollment
11 clinicians in this Medicare group

NPI 1639399876 (617) 969-1227

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

153 services136 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

146 services146 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

126 services126 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

74 services73 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

65 services65 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

48 services48 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

38 services37 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

33 services33 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

24 services24 patients

Biopsy of large bowel using a flexible endoscope 45380

24 services24 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

19 services19 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

17 services17 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220101

Location2014 Washington StreetNewton, MA 02462 · Middlesex County

Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220110

Location75 Francis StreetBoston, MA 02115 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02462 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRUCE ALDEN THAYER M.D.

Surgery

2000 WASHINGTON ST, SUITE 665
NEWTON, MA 02462

Middlesex County (617) 243-3724

DR. MATTHIAS BERNARD DONELAN MD

Plastic Surgery

2000 WASHINGTON ST
NEWTON LOWER FALLS, MA 02462

Middlesex County (617) 244-0990

DR. BRINDA TRIVEDI GUPTA MD

Pediatrics

2000 WASHINGTON ST, SUITE 466
NEWTON, MA 02462

Middlesex County (617) 969-8989

NEW ENGLAND EAR NOSE AND THROAT LLC

Otolaryngology (Otolaryngology/Facial Plastic Surgery)

2000 WASHINGTON ST, SUITE 544 WHITE BUILDING
NEWTON, MA 02462

Middlesex County (617) 910-0368

NICHOLAS MICHAEL MASCOLI III M.D.

Internal Medicine

2000 WASHINGTON ST, SUITE 546
NEWTON LOWER FALLS, MA 02462

Middlesex County (617) 964-5020

BRUCE M. LESLIE M.D.

Orthopaedic Surgery (Hand Surgery)

2000 WASHINGTON ST, SUITE 341
NEWTON, MA 02462

Middlesex County (617) 964-0024

TARA A GRABOWSKY M.D.

Internal Medicine

2000 WASHINGTON ST, SUITE 441
NEWTON, MA 02462

Middlesex County (617) 964-9070

ANN WANG-DOHLMAN, MD, PC

Allergy & Immunology (Allergy)

2000 WASHINGTON ST, SUITE 205
NEWTON, MA 02462

Middlesex County (617) 527-3440

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elissa Kaplan's NPI number?

The NPI number for Elissa Kaplan is 1922083542. It was assigned to this individual provider in the NPPES registry on December 7, 2005.

Where is Elissa Kaplan located?

Elissa Kaplan practices at 2000 Washington St Suite 368, Newton, MA 02462. The listed phone number is (617) 969-1227.

What is Elissa Kaplan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Elissa Kaplan enrolled in Medicare?

Yes. Elissa Kaplan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Elissa Kaplan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elissa Kaplan reassigns Medicare benefits to Gastroenterology Healthcare Associates PC (Newton, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elissa Kaplan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elissa Kaplan accept?

Health plans from Anthem Blue Cross and Blue Shield list Elissa Kaplan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Elissa Kaplan affiliated with any hospitals?

According to CMS data, Elissa Kaplan is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Elissa Kaplan was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.